<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Hello World</title>
    <style>
        body {
            /* 文本水平居中对齐 */
            text-align: center;
        }

        img {
            /* 指定圆角边框 */
            border-radius: 50%;
            /* 过渡属性  all 过渡所有属性  0.5s 时间 */
            transition: all 0.5s;
            /* 兼容所有浏览器 */
            -webkit-transition: all 0.5s;
            -o-transition: all 0.5s;
            -moz-transition: all 0.5s;
            margin-top: 50px;
            cursor: pointer;
        }

        img:hover {
            /* 缩放 1.1 倍 */
            transform: scale(1.1);
            -webkit-transform: scale(1.1);
            -o-transform: scale(1.1);
            -moz-transform: scale(1.1);
        }
    </style>
</head>
<body>
    <img src="../images/24444913.jpeg" alt="cat">
</body>
</html>